5255820 has 48 divisors (see below), whose sum is σ = 16353120. Its totient is φ = 1401408.

The previous prime is 5255819. The next prime is 5255843. The reversal of 5255820 is 285525.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4327 + ... + 5406.

It is an arithmetic number, because the mean of its divisors is an integer number (340690).

Almost surely, 2^5255820 is an apocalyptic number.

It is an amenable number.

5255820 is an abundant number, since it is smaller than the sum of its proper divisors (11097300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5255820 is a wasteful number, since it uses less digits than its factorization.

5255820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9751 (or 9743 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 5255820 is about 2292.5575238148. The cubic root of 5255820 is about 173.8655322571.

The spelling of 5255820 in words is "five million, two hundred fifty-five thousand, eight hundred twenty".